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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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S&S Cycle Right Main Crankcase Bearing Race Standard
£235.04 - £235.04
£235.04
£235.04 - £235.04
£235.04

S&S Cycle Right Main Crankcase Bearing Race Standard #31-4050

Only 5 left!

DescriptionRight Main Crankcase Bearing RaceMade in the USASpecifications Size: Standard Units: Each Riding Style: Street Application: Crankcas...

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£235.04 - £235.04
£235.04
£235.04 - £235.04
£235.04
S&S Cycle Crankpin Assembly Oversize (+0,002") Steel
£170.58 - £170.58
£170.58
£170.58 - £170.58
£170.58

S&S Cycle Crankpin Assembly Oversize (+0,002") Steel #34-2105

Only 3 left!

DescriptionCrankpin AssemblyFor use in stock and S&S flywheelsIncludes crankpin, nuts and keyMade in the USASpecifications Material: Steel Un...

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£170.58 - £170.58
£170.58
£170.58 - £170.58
£170.58
S&S Cycle Flywheel Assembly for S&S V-Series Motor Steel
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

S&S Cycle Flywheel Assembly for S&S V-Series Motor Steel #320-0477

Only 5 left!

DescriptionFlywheel Assembly for S&S V-Series MotorReplaces the original flywheels in S&S® 124" V124 engine for '84-'99 Big TwinPinion and ...

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£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,888.75 - £1,888.75
£1,888.75
£1,888.75 - £1,888.75
£1,888.75

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0469

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,888.75 - £1,888.75
£1,888.75
£1,888.75 - £1,888.75
£1,888.75
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0360

in stock

DescriptionReplacement Flywheel AssemblyFor 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)Fully assembled ...

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0350

in stock

DescriptionReplacement Flywheel AssemblyFor 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)Fully assembled ...

View full details
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0523

Only 3 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0475

Only 2 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0464

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Flywheel Assembly Steel
£1,602.59 - £1,602.59
£1,602.59
£1,602.59 - £1,602.59
£1,602.59

S&S Cycle Flywheel Assembly Steel #32-2230

Only 4 left!

DescriptionFlywheel AssemblyMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° larg...

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£1,602.59 - £1,602.59
£1,602.59
£1,602.59 - £1,602.59
£1,602.59
S&S Cycle Flywheel Assembly Steel
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

S&S Cycle Flywheel Assembly Steel #32-2145

Only 5 left!

DescriptionFlywheel AssemblyMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° larg...

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£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,851.91 - £1,851.91
£1,851.91
£1,851.91 - £1,851.91
£1,851.91

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0351

in stock

DescriptionReplacement Flywheel AssemblyFor 96"/103"/106" big bore | 110"/117" engine with stock or S&S pistons (will be noted)Fully assembled ...

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£1,851.91 - £1,851.91
£1,851.91
£1,851.91 - £1,851.91
£1,851.91
S&S Cycle Replacement Flywheel Assembly 4140 Steel
Sold out
£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0358

Out of stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80
Sold out
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,645.65 - £1,645.65
£1,645.65
£1,645.65 - £1,645.65
£1,645.65

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0352

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

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£1,645.65 - £1,645.65
£1,645.65
£1,645.65 - £1,645.65
£1,645.65
S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly
£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51

S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly #320-0460

in stock

Description106" Stroker Flywheel KitFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" ...

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£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51
S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly
Sold out
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle 106" Stroker Flywheel Kit Flywheel Assembly #320-0450

Out of stock

Description106" Stroker Flywheel KitFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" ...

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£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
Sold out
S&S Cycle Replacement Flywheel Assembly 4140 Steel
Sold out
£1,888.75 - £1,888.75
£1,888.75
£1,888.75 - £1,888.75
£1,888.75

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0397

Out of stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,888.75 - £1,888.75
£1,888.75
£1,888.75 - £1,888.75
£1,888.75
Sold out
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0403

in stock

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,570.51 - £1,570.51
£1,570.51
£1,570.51 - £1,570.51
£1,570.51
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0359

Only 2 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,889.80 - £1,889.80
£1,889.80
£1,889.80 - £1,889.80
£1,889.80
S&S Cycle Replacement Flywheel Assembly 4140 Steel
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56

S&S Cycle Replacement Flywheel Assembly 4140 Steel #320-0361

Only 5 left!

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

View full details
£1,784.56 - £1,784.56
£1,784.56
£1,784.56 - £1,784.56
£1,784.56
S&S Cycle Flywheel Assembly Steel
Sold out
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34

S&S Cycle Flywheel Assembly Steel #32-2239

Out of stock

DescriptionFlywheel AssemblyMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° larg...

View full details
£1,679.34 - £1,679.34
£1,679.34
£1,679.34 - £1,679.34
£1,679.34
Sold out
S&S Cycle Pinion Shaft Assembly Silver Steel
£182.69 - £182.69
£182.69
£182.69 - £182.69
£182.69

S&S Cycle Pinion Shaft Assembly Silver Steel #33-2024

Only 4 left!

DescriptionPinion Shaft AssemblyIncludes shaft, nut and keysMade in the USAFor use with standard bearing diameter.Specifications Units: Each Prod...

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£182.69 - £182.69
£182.69
£182.69 - £182.69
£182.69
S&S Cycle Pinion Shaft Assembly Silver Steel
£216.14 - £216.14
£216.14
£216.14 - £216.14
£216.14

S&S Cycle Pinion Shaft Assembly Silver Steel #33-2021

in stock

DescriptionPinion Shaft AssemblyIncludes shaft, nut and keysMade in the USAFor use with standard bearing diameter.Specifications Colour/Finish: Si...

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£216.14 - £216.14
£216.14
£216.14 - £216.14
£216.14
S&S Cycle Crankpin Assembly Standard Steel
£199.87 - £199.87
£199.87
£199.87 - £199.87
£199.87

S&S Cycle Crankpin Assembly Standard Steel #34-2602

in stock

DescriptionCrankpin AssemblyFor use in stock and S&S flywheelsIncludes crankpin, nuts and keyMade in the USASpecifications Style: Standard Un...

View full details
£199.87 - £199.87
£199.87
£199.87 - £199.87
£199.87

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